DCX143EH-7

Overview

The DCX143EH-7 is a complementary NPN/PNP pre-biased small signal transistor manufactured by Diodes Incorporated. It integrates two transistors with built-in biasing resistors in a single SOT563 package. The device features a supply voltage of ±50 V, a maximum collector current of 100 mA, and a total power dissipation of 150 mW. Typical input resistances are 4.7 kΩ for R1 and 10 kΩ for R2. The component operates within a temperature range of -55°C to +150°C and utilizes epitaxial planar die construction.

Feature Summary

• Integrates dual NPN and PNP transistors with built-in biasing resistors
• Utilizes epitaxial planar die construction for reliability
• Compliant with RoHS directives and halogen/antimony-free standards

Applications

• General-purpose switching applications
• Driver circuits requiring integrated biasing
• Low-voltage logic interface circuits

Procurement Notes

Verify the specific ordering suffix '-7' corresponds to the tape and reel packaging configuration containing 3,000 units per reel. Confirm that the 'H' designation aligns with the SOT563 case style and marking code 'C08'. Ensure compliance requirements match the manufacturer's lead-free and green material definitions before finalizing procurement specifications.

Selection Notes

Select this component when a compact solution for both NPN and PNP switching is required. The SOT563 package offers space savings compared to discrete components. Verify that the 150 mW power dissipation rating and ±50 V supply voltage meet the circuit's thermal and electrical demands. Check the typical resistance values against the base drive requirements.

Part Context

This part belongs to the DCX (xxxx) H series of complementary pre-biased transistors from Diodes Incorporated. It shares the SOT563 mechanical outline and general electrical characteristics with other members of the family, such as the DCX144EH-7 and DCX124EH-7, differentiated primarily by internal resistor ratios and marking codes.

Replacement Considerations

Direct replacements within the same series include DCX144EH-7 and DCX124EH-7, provided the internal resistor values match the design requirements. Cross-series substitution requires verification of the SOT563 footprint compatibility and electrical parameter alignment.